1 files changed, 114 insertions, 0 deletions
diff --git a/apps/files/lib/backgroundjob/scanfiles.php b/apps/files/lib/backgroundjob/scanfiles.php
new file mode 100644
index 00000000000..7371429a268
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+++ b/apps/files/lib/backgroundjob/scanfiles.php
@@ -0,0 +1,114 @@
+<?php
+/**
+ * @author Lukas Reschke <lukas@owncloud.com>
+ *
+ * @copyright Copyright (c) 2015, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace OCA\Files\BackgroundJob;
+
+use OC\Files\Utils\Scanner;
+use OCP\IConfig;
+use OCP\IDBConnection;
+use OCP\ILogger;
+use OCP\IUser;
+use OCP\IUserManager;
+
+/**
+ * Class ScanFiles is a background job used to run the file scanner over the user
+ * accounts to ensure integrity of the file cache.
+ *
+ * @package OCA\Files\BackgroundJob
+ */
+class ScanFiles extends \OC\BackgroundJob\TimedJob {
+	/** @var IConfig */
+	private $config;
+	/** @var IUserManager */
+	private $userManager;
+	/** @var IDBConnection */
+	private $dbConnection;
+	/** @var ILogger */
+	private $logger;
+	/** Amount of users that should get scanned per execution */
+	const USERS_PER_SESSION = 500;
+
+	/**
+	 * @param IConfig|null $config
+	 * @param IUserManager|null $userManager
+	 * @param IDBConnection|null $dbConnection
+	 * @param ILogger|null $logger
+	 */
+	public function __construct(IConfig $config = null,
+								IUserManager $userManager = null,
+								IDBConnection $dbConnection = null,
+								ILogger $logger = null) {
+		// Run once per 10 minutes
+		$this->setInterval(60 * 10);
+
+		if (is_null($userManager) || is_null($config)) {
+			$this->fixDIForJobs();
+		} else {
+			$this->config = $config;
+			$this->userManager = $userManager;
+			$this->logger = $logger;
+		}
+	}
+
+	protected function fixDIForJobs() {
+		$this->config = \OC::$server->getConfig();
+		$this->userManager = \OC::$server->getUserManager();
+		$this->logger = \OC::$server->getLogger();
+	}
+
+	/**
+	 * @param IUser $user
+	 */
+	protected function runScanner(IUser $user) {
+		try {
+			$scanner = new Scanner(
+					$user->getUID(),
+					$this->dbConnection,
+					$this->logger
+			);
+			$scanner->backgroundScan('');
+		} catch (\Exception $e) {
+			$this->logger->logException($e, ['app' => 'files']);
+		}
+		\OC_Util::tearDownFS();
+	}
+
+	/**
+	 * @param $argument
+	 * @throws \Exception
+	 */
+	protected function run($argument) {
+		$offset = $this->config->getAppValue('files', 'cronjob_scan_files', 0);
+		$users = $this->userManager->search('', self::USERS_PER_SESSION, $offset);
+		if (!count($users)) {
+			// No users found, reset offset and retry
+			$offset = 0;
+			$users = $this->userManager->search('', self::USERS_PER_SESSION);
+		}
+
+		$offset += self::USERS_PER_SESSION;
+		$this->config->setAppValue('files', 'cronjob_scan_files', $offset);
+
+		foreach ($users as $user) {
+			$this->runScanner($user);
+		}
+	}
+}